The Ruffneck™ RDFF Commercial Flanged Duct Heater with finned tubular (Calrod® type*) elements is designed for use in comfort heating applications, such as make-up air heating, air pre-heating, air handling equipment, fan coils, terminal reheating, multi-zone reheating, heat pump auxiliary systems and return air heating.
- Certified for use in ordinary (nonclassified) locations
- Designed for use in commercial comfort heating applications
- Finned tubular element increases heat transfer surface area resulting in lower operating temperature
- Primary and secondary cutouts for overheat protection are standard on all models
